USN-4547-1: iTALC vulnerabilities
Publication date
28 September 2020
Overview
Several security issues were fixed in iTALC.
Releases
Packages
- italc - didact tool which allows teachers to view and control computer labs
Details
It was discovered that an information disclosure vulnerability existed in the
LibVNCServer vendored in iTALC when sending a ServerCutText message. An
attacker could possibly use this issue to expose sensitive information.
(CVE-2019-15681)
It was discovered that the LibVNCServer and LibVNCClient vendored in iTALC
incorrectly handled certain packet lengths. A remote attacker could possibly
use this issue to obtain sensitive information, cause a denial of service, or
execute arbitrary code.
(CVE-2018-15127 CVE-2018-20019, CVE-2018-20020, CVE-2018-20021, CVE-2018-20022,
CVE-2018-20023, CVE-2018-20024,
It was discovered that an information disclosure vulnerability existed in the
LibVNCServer vendored in iTALC when sending a ServerCutText message. An
attacker could possibly use this issue to expose sensitive information.
(CVE-2019-15681)
It was discovered that the LibVNCServer and LibVNCClient vendored in iTALC
incorrectly handled certain packet lengths. A remote attacker could possibly
use this issue to obtain sensitive information, cause a denial of service, or
execute arbitrary code.
(CVE-2018-15127 CVE-2018-20019, CVE-2018-20020, CVE-2018-20021, CVE-2018-20022,
CVE-2018-20023, CVE-2018-20024, CVE-2018-20748, CVE-2018-20749, CVE-2018-20750,
CVE-2018-7225, CVE-2019-15681)
Update instructions
In general, a standard system update will make all the necessary changes.
Learn more about how to get the fixes.The problem can be corrected by updating your system to the following package versions:
| Ubuntu Release | Package Version | ||
|---|---|---|---|
| 18.04 bionic | italc-client – 1:3.0.3+dfsg1-3ubuntu0.1 | ||
| italc-master – 1:3.0.3+dfsg1-3ubuntu0.1 | |||
| libitalccore – 1:3.0.3+dfsg1-3ubuntu0.1 | |||
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References
- CVE-2019-15681
- CVE-2018-7225
- CVE-2018-20750
- CVE-2018-20749
- CVE-2018-20748
- CVE-2018-20024
- CVE-2018-20023
- CVE-2018-20022
- CVE-2018-20021
- CVE-2018-20020
- CVE-2019-15681
- CVE-2018-7225
- CVE-2018-20750
- CVE-2018-20749
- CVE-2018-20748
- CVE-2018-20024
- CVE-2018-20023
- CVE-2018-20022
- CVE-2018-20021
- CVE-2018-20020
- CVE-2018-20019
- CVE-2018-15127